Intruder Alarm
Enchantment
Creatures don't untap during their controllers' untap steps.
Whenever a creature enters the battlefield, untap all creatures.
Legalities
- brawl: banned
- commander: legal
- legacy: legal
- modern: legal
- pauper: legal
- pioneer: banned
- standard: banned
- vintage: legal
Rulings
- 2004-10-04:
If multiple creatures enter the battlefield at one time, this ability triggers once for each creature. This doesn’t matter much, but it can in some cases.